This eBike has a motor output of 250W and speed assistance up to 15.5mph. This eBike can be used on UK public roads.
In the UK, only eBikes that comply with EAPC Regulations can be used on UK public roads without tax, insurance or registration. You can find out more about EAPC Regulations here: https://www.gov.uk/electric-bike-rules
If you purchase this eBike, and you upgrade, modify or tune the settings and capabilities of the eBike to exceed 250W or 15.5mph, the eBike shall not be EAPC compliant and therefore the eBike shall be illegal to use on UK public roads. Any such upgrade, modification or tuning will invalidate your warranty.
If you are purchasing an eBike from outside of the UK, you are responsible for checking and complying with the applicable laws and regulations relating to eBike use in your jurisdiction and where you intend to use the eBike.